It is made up of the Sun and its family of eight planets.
What is the solar system?
100
These are chunks of rock and metal that orbit between the planets.
What are asteroids?
100
These are loose collections of rocks and frozen gases that orbit between the planets.
What are comets?
100
This is a body that does not give off light of its own. It reflects the light of the Sun.
What is a planet?
100
These objects produce and give off their own heat and light.
What are stars?
200
This is the centre of the solar system. The planets revolve around it.
What is the Sun?
200
This is the galaxy that we live in.
What is the Milky Way?
200
This is planet is closest to the Sun.
What is Mercury?
200
This planet is the smallest planet in our solar system.
What is Mercury?
200
This body travels around Earth. It is known as Earth's satellite.
What is the moon?
300
This planet is called the morning or evening star because it appears in the sky just after sunset and before sunrise.
What is Venus?
300
This planet is fifth from the Sun. It is the largest planet and is best known for its beautiful colours and its Great Red Spot.
What is Jupiter?
300
This planet is sixth from the Sun. It is best known for the beautiful system of rings that circle the planet.
What is Saturn?
300
This planet is seventh from the Sun. Unlike other planets, this planet lies on its side. It is greenish in colour and has nine faint rings with five moons orbiting the planet
What is Uranus?
300
This planet is eighth from the Sun. It can only be seen through a telescope. Little is known about this distant planet.
What is Neptune?
400
These are patterns of stars in the sky that, to some people, seem to be in the shapes of pictures.
What are constellations?
400
These have a bright head and long, shining tail. They shine partly because of light absorbed and re-radiated from the Sun and partly because of reflected sunlight.
What are comets?
400
This is how long it takes the moon to circle Earth.
What are 24 hours?
400
This is how long it takes Earth to circle the Sun.
What are 365 days?
400
This is another name for the study of space.
What is astronomy?
500
A huge contribution to the International Space Station from Canada.
What is the Canadarm?
500
The name of Canada's space exploration team.
What is CSA (Canadian Space Agency)?
500
This season is occurring in the southern hemisphere when it is spring in the northern hemisphere.
What is fall?
500
The number of times that Earth can fit in the Sun.